408W - Forged Ross pistons; - Balanced and blueprinted; 1970 Windsor heads ported and polished cc’d 190 intake and 155 exhaust valves, screw-in studs, guide plates, 3 angle valve grind, 30 degree backcut on valves; Comp Cams XE284, installed at 102 degrees intake centreline; Edlebrock Air Gap intake; 750 HP double pumper;